IP Library Granted Patent US 12,652,910
Granted Patent B2
US 12,652,910 · App. 17/982,359 · Granted Jun 9, 2026

Display apparatus and method of manufacturing the same

Inventors: Hyunji Cha (Yongin-si, KR); Haeyeon Lee (Yongin-si, KR); Yunkyeong In (Yongin-si, KR); Junyoung Jo (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/131H10K71/00H10K59/1201H10K59/35
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Quick Facts
Patent No.
US 12,652,910
App. No.
17/982,359
Granted
Jun 9, 2026
Kind
B2
Abstract

A display apparatus includes: a substrate; a first display element having a first emission area configured to emit light of a first color; first and second data lines between the substrate and the first display element, extending in a first direction, and overlapping at least a portion of the first emission area; and first and second auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and configured to receive a driving voltage, wherein a lengthwise direction of the first and second auxiliary electrodes is the first direction, and wherein the first and second data lines are between the first and second auxiliary electrodes spaced apart from each other in a second direction.

Claims (36)

1 . A display apparatus comprising:

a substrate;

a first display element having a first emission area configured to emit light of a first color;

first and second data lines between the substrate and the first display element, extending in a first direction, and overlapping at least a portion of the first emission area; and

first and second auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and configured to receive a driving voltage, wherein a lengthwise direction of the first and second auxiliary electrodes is the first direction, and

wherein the first and second data lines are between the first and second auxiliary electrodes spaced apart from each other in a second direction.

2 . The display apparatus of claim 1 , further comprising first and second power lines between the substrate and the first display element, extending in the first direction, and to which the driving voltage is applied,

wherein the first and second data lines and the first and second auxiliary electrodes are between the first and second power lines apart from each other in the second direction,

wherein the first auxiliary electrode extends from the first power line, and

wherein the second auxiliary electrode extends from the second power line.

3 . The display apparatus of claim 2 , further comprising a connection electrode between the substrate, and the first and second data lines, the first and second auxiliary electrodes, and having a region overlapping the first emission area entirely.

4 . The display apparatus of claim 3 , wherein the connection electrode connects the first power line to the second power line.

5 . The display apparatus of claim 2 , further comprising:

a second display element having a second emission area configured to emit light of a second color; and

a third display element having a third emission area configured to emit light of a third color,

wherein the first power line has a region that overlaps the second emission area entirely, and

wherein the second power line has a region that overlaps the third emission area entirely.

6 . The display apparatus of claim 1 , further comprising a pixel circuit between the substrate and the first display element, configured to receive a data voltage through the first data line, to generate a driving current having a size determined based on the driving voltage and the data voltage, and to output the driving current to the first display element.

7 . The display apparatus of claim 1 , further comprising first and second power lines between the substrate and the first display element, extending in the first direction, and to which the driving voltage is applied,

wherein the first auxiliary electrode has a first end and a second end, and at least one of the first end or the second end is coupled to the first power line, and wherein the second auxiliary electrode has a first end and a second end, and at least one of the first end or the second end is coupled to the second power line.

8 . The display apparatus of claim 1 , further comprising:

a first insulating layer between the substrate and the first display element; and

a second insulating layer between the first insulating layer and the first display element,

wherein the first and second data lines, and the first and second auxiliary electrodes are between the first insulating layer and the second insulating layer, and

wherein a first distance between an upper surface of the first data line and an upper surface of the second insulating layer is less than a second distance between an upper surface of the first insulating layer and the upper surface of the second insulating layer.

9 . The display apparatus of claim 1 , further comprising:

a color filter layer on the first display element and overlapping the first emission area; and

a light-blocking layer exposing at least a portion of the color filter layer.

10 . The display apparatus of claim 1 , wherein the first auxiliary electrode, the first data line, the second data line, and the second auxiliary electrode are spaced apart from each other in the second direction, and

wherein a first separation distance between the first auxiliary electrode and the first data line, a second separation distance between the first data line and the second data line, and a third separation distance between the second auxiliary electrode and the second data line are substantially same.

11 . The display apparatus of claim 1 , wherein the first and second data lines have a same width as the first and second auxiliary electrodes.

12 . The display apparatus of claim 1 , wherein a width of each of the first and second data lines is greater than a width of each of the first and second auxiliary electrodes.

13 . The display apparatus of claim 1 , further comprising third and fourth auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and to which the driving voltage is applied, wherein a lengthwise direction of the third and fourth auxiliary electrodes is the first direction,

wherein the first and second data lines and the first and second auxiliary electrodes are between the third and fourth auxiliary electrodes spaced apart from each other in the second direction.

14 . The display apparatus of claim 13 , wherein a width of each of the first and second auxiliary electrodes is greater than a width of each of the third and fourth auxiliary electrodes.

15 . The display apparatus of claim 1 , wherein the first auxiliary electrode and the first data line are symmetric with the second auxiliary electrode and the second data line with respect to a line of symmetry passing through a central portion of the first emission area.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2022
From: CHA, HYUNJI; LEE, HAEYEON; IN, YUNKYEONG; JO, JUNYOUNG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 061923/0638 →
Priority Claims (1)
KR 10-2021-0174012 · Dec 7, 2021 · national
Continuity (1)
Related Publication 20230180555A1 · Jun 8, 2023
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